Patch 8.2.1514

[Bram Moolenaar]

Patch 8.2.1514
Problem: Multibyte vertical separator is cleared when dragging a popup
window using a multi-byte character for the border.
Solution: Only clear the character before the window if it is double width.
(closes #6766)
Files: src/screen.c


*** ../vim-8.2.1513/src/screen.c 2020-08-22 17:21:10.250012064 +0200
--- src/screen.c 2020-08-23 15:06:53.801410103 +0200
***************
*** 465,471 ****
// double-wide character. Clear the left half to avoid it getting the popup
// window background color.
if (coloff > 0 && ScreenLines[off_to] == 0
! && ScreenLinesUC[off_to - 1] != 0)
{
ScreenLines[off_to - 1] = ' ';
ScreenLinesUC[off_to - 1] = 0;
--- 465,472 ----
// double-wide character. Clear the left half to avoid it getting the popup
// window background color.
if (coloff > 0 && ScreenLines[off_to] == 0
! && ScreenLinesUC[off_to - 1] != 0
! && (*mb_char2cells)(ScreenLinesUC[off_to - 1]) > 1)
{
ScreenLines[off_to - 1] = ' ';
ScreenLinesUC[off_to - 1] = 0;
*** ../vim-8.2.1513/src/version.c 2020-08-23 14:28:24.111838486 +0200
--- src/version.c 2020-08-23 15:08:43.073103670 +0200
***************
*** 756,757 ****
--- 756,759 ----
{ /* Add new patch number below this line */
+ /**/
+ 1514,
/**/

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/// Bram Moolenaar -- Br...@Moolenaar.net -- http://www.Moolenaar.net \\\
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